Users claim to store files in tripled But how can such claims have been confirmed by remote at first glance seem impossible, assuming Alice want to check whether there is a store. Bob three sets of information to download the three versions will not work; if Bob are cheating and storage เพียงสำเนา of information, he can send more than one copy of the times. There is, however, how to solve the problem is very simple: Alice can encrypt a copy of the data เธอภาย under each key separate output three encryptions. Different operations on each version coding to ensure the existence of three series is different.
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